Non-ASCII characters in a display name of a forwarded message are displayed as (?) characters in an Exchange Server 2007 environment

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Article ID: 977355 - View products that this article applies to.
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SYMPTOMS

Consider the following scenario:
  • You have a computer that is running Microsoft Exchange Server 2007.
  • A user creates a contact, and the display name of the contact is in East Asian characters, such as Chinese and Japanese characters.
  • An auto-forward rule is created to forward a message to the contact.
  • An incoming message contains only ASCII characters.
When the incoming message is auto-forwarded to the contact in this scenario, the non-ASCII characters in a display name are displayed as question mark (?) characters.

CAUSE

This problem occurs because Transport Service handles the server-side rules in Exchange Server 2007. Transport Service resolves a contact's address and then encodes the display name of the contact. If there is a charset in the MIME message, the character set is used for encoding the display name. In this scenario, Exchange Server 2007 does not recognize that there are non-ASCII characters involved. Therefore, US-ASCII characters are used for encoding, and the non-ASCII characters in the display name are displayed as "?" characters.

RESOLUTION

To resolve this problem, install the following update rollup:
972076 Description of Update Rollup 2 for Microsoft Exchange Server 2007 Service Pack 2

STATUS

Microsoft has confirmed that this is a problem in the Microsoft products that are listed in the "Applies to" section.

Properties

Article ID: 977355 - Last Review: January 22, 2010 - Revision: 1.1
APPLIES TO
  • Microsoft Exchange Server 2007 Service Pack 2, when used with:
    • Microsoft Exchange Server 2007 Enterprise Edition
    • Microsoft Exchange Server 2007 Standard Edition
Keywords: 
kbsurveynew kbexpertiseinter kbfix kbqfe kbhotfixrollup KB977355

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